MASTARS CAFE Yakuin is a cafe in Yakuin, Fukuoka that serves omu curry, coffee, and desserts. The omu curry tops rice with a rich minced-meat curry and a moist omelet, and cheese can be added; apple pie and pistachio pudding are also available. The cafe has separate smoking and non-smoking rooms, and payment is made in advance at a machine using the QR panel at each seat. The apple pie is crisp on the outside and moist inside.